The main theme for the Northeast is a continuation of cold weather. Small disturbances rippling through the upper current are causing patches of snow to break out. In most cases, the snow will be of little concern, but in some spots, there will be enough snow to cause slippery conditions for drivers and walkers. Here is today's video.
When using mobile devices to check for approaching snowfall, you will find that radar pictures make it look like snow is falling before you see any. In those cases, the radar is receiving returns from snow coming out the clouds, but not yet reaching the ground. One tell-tale sign of this is a V or U pattern on the radar like this one:
Some bands of rain broke out in the I-95 corridor, the most important of which brought a batch of heavy rain to the New York City area between 8:30 and 10 a.m.
in response to the approach of a deepening trough from the Plains, a Midwest low pressure area will grow stronger as it moves east to arrive on the New England coast Saturday morning.
In the I-95 corridor from D.C. to NYC, temperatures will be up past 80 this afternoon. However, between now and Saturday, a major change is on he way.
In eastern New England, an onshore flow of cool damp air prevailed all morning. There could be a last-minute warmup this afternoon. The affected areas will certainly be warmer tomrrow morning than they were this morning.
Now, out-of-season warmth is set to be the rule through midweek from the Ohio Valley to much of New England. Peak leaf color in Pennsylvania and New Jersey ranges from now northern mountains) to Halloween (in parts of South Jersey).
The Pacific storm caused some strong thunderstorms in northwest Oregon yesterday, bringing an end to a very long hiatus in the need for tornado warnings there. Note also the lack of tornadoes in eastern Tennessee.